Answer:
a) virtual and erect
Plane mirrors are the only type of mirror for which a real object always produces an image
Answer:
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Essentially, when you breathe in the lung take in oxygen and pass it along to the bloodstream, which brings it to your bodies cells. In return it picks up carbon dioxide, which the lungs dispose of. Every time you breathe this process is happening. That is why it's crucial to keep your lungs healthy.
The answer is Disaccharide
